<!DOCTYPE html>
<html>
<header>
    <title>Hello world</title>
    <meta charset="utf-8">
</header>
<body>
	<h2 id="greet">Hello world!</h2>
    <input type = "text" id = "cmdline">
    <button type="button" id = "send_cmd">SendCMD!</button>
	<h4 class='retval'>返回值：</h4>
</body>
<script src="jquery-3.6.0.min.js"></script>
<script src="options.js"></script>
</html>